Hawai'i Volcanoes National Park in August
In August, Hawai'i Volcanoes National Park averages a high of 74°F and a low of 56°F, with 5.9 inches of precipitation (rain plus melted snow). About 141,000 people visit, the 6th busiest of 12 (very busy). Days are 12 hours 47 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 74° / 56°F
- Precipitation
- 5.9in
- Snow
- 0in
- Daylight
- 12h 47m
- Visitors
- 141,000
- Crowds
- Very busy
August is one of the best months to visit: mild weather with very busy crowds.
Higher or lower in the park, expect a different picture: Sea Mtn 12.15, HI at 80 ft averages a August high of 85°F and a low of 71°F.
Weather 1991–2020 averages at Hawaii Vol NP HQ 54, HI, 8.8 miles from the park's center, 3,971 ft. Second station lower down: Sea Mtn 12.15, HI, 80 ft, 21.3 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Haleakala National Park | 66° / 49° | Busy | Mild |
| Pearl Harbor National Memorial | 89° / 76° | Very busy | Hot |
| Point Reyes National Seashore | 63° / 52° | Very busy | Mild |
| Golden Gate National Recreation Area | 83° / 54° | Very busy | Hot |
| Fort Point National Historic Site | 68° / 56° | Very busy | Mild |
Closures, reservations and alerts: Hawai'i Volcanoes National Park on nps.gov
All twelve months at Hawai'i Volcanoes · National parks to visit in August